CVE-2023-5391

Name: CVE-2023-5391
Creator: NVD / NIST
Published: 2023-10-04T19:15:10.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2023-5391 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-502: Deserialization of untrusted data vulnerability exists that could allow an attacker to execute arbitrary code on the targeted system by sending a specifically crafted packet to the application. . EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

A CWE-502: Deserialization of untrusted data vulnerability exists that could allow an attacker to execute arbitrary code on the targeted system by sending a specifically crafted packet to the application.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.84%

53.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Schneider-Electric	Ecostruxure Power Monitoring Expert	All versions
Schneider-Electric	Ecostruxure Power Operation With Advanced Reports	All versions
Schneider-Electric	Ecostruxure Power Scada Operation With Advanced Reports	All versions

References

Timeline

Published: Oct 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5391?

How severe is CVE-2023-5391?

CVE-2023-5391 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5391?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5391?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST